package com.github.niefy.modules.sys.service.impl;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.niefy.common.utils.R;
import com.github.niefy.modules.sys.dao.SysUserTokenDao;
import com.github.niefy.modules.sys.entity.SysUserTokenEntity;
import com.github.niefy.modules.sys.oauth2.TokenGenerator;
import com.github.niefy.modules.sys.service.SysUserTokenService;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.Objects;
@Service("sysUserTokenService")
public class SysUserTokenServiceImpl extends ServiceImpl<SysUserTokenDao, SysUserTokenEntity> implements SysUserTokenService {
  //12小时后过期
  private final static int EXPIRE = 3600 * 12;
  @Override
  public R createToken(long userId) {
    //生成一个token
    String token = TokenGenerator.generateValue();
    //当前时间
    Date now = new Date();
    //过期时间
    Date expireTime = new Date(now.getTime() + EXPIRE * 1000);
    //判断是否生成过token
    SysUserTokenEntity tokenEntity = this.getById(userId);
    if (tokenEntity == null) {
      tokenEntity = new SysUserTokenEntity();
      tokenEntity.setUserId(userId);
      tokenEntity.setToken(token);
      tokenEntity.setUpdateTime(now);
      tokenEntity.setExpireTime(expireTime);
      //保存token
      this.save(tokenEntity);
    }
    else {
      tokenEntity.setToken(token);
      tokenEntity.setUpdateTime(now);
      tokenEntity.setExpireTime(expireTime);
      //更新token
      this.updateById(tokenEntity);
    }
    return Objects.requireNonNull(R.ok().put("token", token)).put("expire", EXPIRE);
  }
  @Override
  public void logout(long userId) {
    //生成一个token
    String token = TokenGenerator.generateValue();
    //修改token
    SysUserTokenEntity tokenEntity = new SysUserTokenEntity();
    tokenEntity.setUserId(userId);
    tokenEntity.setToken(token);
    this.updateById(tokenEntity);
  }
}
